Today’s physics news: comet chaser goes into deep sleep, brightest supernovae are in a class of their own and Next Mars rover faces bumpy ride to launch

Today’s physics news: comet chaser goes into deep sleep, brightest supernovae are in a class of their own and Next Mars rover faces bumpy ride to launch

Comet chaser goes into deep sleep
Europe’s Rosetta spacecraft, which is heading for a rendezvous with a comet in 2014, is put into hibernation by its controllers.
BBC

Brightest supernovae are in a class of their own
The Universe’s biggest explosions can’t be explained by current theories.
Nature
Physics World

Next Mars rover faces bumpy ride to launch
Hundreds of unsolved problems could delay the Mars Science Laboratory’s upcoming launch by two years, a report warns
New Scientist